Spiral Burr 90x90x90 mm is a scaled-up version of the PuzzleMaster version. It is a six-piece burr of interlocking spirals. Next to sliding and rotation, spiraling is the third fundamental way of turning pieces in an interlocking puzzle. The spirals are notched. The object is putting the puzzle back together after turning it apart.

Watch the YouTube video.
Read at the Shapeways Forum.
Read more at the Twisty Puzzles Forum.

Please contact Oskar directly if you are interested in obtaining a fully colored and assembled sample of this puzzle.